Results 211 to 220 of about 220,604 (259)
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Aerosols Climatology of Stratospheric Aerosols
Herein, we discuss the significance and measurement of stratospheric aerosols. Stratospheric aerosols play an important role in the chemistry and climate. In the past several decades, their levels have been highly variable and primarily controlled by a series of low latitude eruptions.Vernier, Jean-Paul, Berthet, Gwenaël
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Journal of Aerosol Medicine, 2002
Bronchiolitis is a common illness of the lower respiratory tract affecting infants that has considerable short and long-term morbidity and occasional mortality. It is the commonest cause of hospitalization for respiratory infection in early childhood, and the seasonal nature of the illness places considerable strain on health care resources during the ...
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Bronchiolitis is a common illness of the lower respiratory tract affecting infants that has considerable short and long-term morbidity and occasional mortality. It is the commonest cause of hospitalization for respiratory infection in early childhood, and the seasonal nature of the illness places considerable strain on health care resources during the ...
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2012
This overview introduces atmospheric aerosol, including basic definitions and properties. Types of aerosols, sources, transformation processes and sinks are described. The spatial distribution of atmospheric aerosol is discussed on the basis of field observations conducted at the DLR Institute of Atmospheric Physics.
Petzold, Andreas, Kärcher, Bernd
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This overview introduces atmospheric aerosol, including basic definitions and properties. Types of aerosols, sources, transformation processes and sinks are described. The spatial distribution of atmospheric aerosol is discussed on the basis of field observations conducted at the DLR Institute of Atmospheric Physics.
Petzold, Andreas, Kärcher, Bernd
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Respiratory Care Clinics, 2002
Aerosol medications are used commonly in mechanically ventilated patients. Several classes of drugs with different properties and indications may be given by inhalation. In all cases, inhaled therapy's main advantage over the systemic route is that, for a given therapeutic response, the drug dose is several-fold lower, whereas systemic absorption is ...
Eumorfia, Kondili +1 more
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Aerosol medications are used commonly in mechanically ventilated patients. Several classes of drugs with different properties and indications may be given by inhalation. In all cases, inhaled therapy's main advantage over the systemic route is that, for a given therapeutic response, the drug dose is several-fold lower, whereas systemic absorption is ...
Eumorfia, Kondili +1 more
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Archives of Internal Medicine, 1973
Atmospheric particles originate from many sources. Globally, natural particle-production mechanisms predominate, but over large urban areas man-made sources produce a major fraction of total airborne particles. Within the planetary boundary layer, the atmospheric aerosol contains large numbers of preformed primary particles that have been discharged to
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Atmospheric particles originate from many sources. Globally, natural particle-production mechanisms predominate, but over large urban areas man-made sources produce a major fraction of total airborne particles. Within the planetary boundary layer, the atmospheric aerosol contains large numbers of preformed primary particles that have been discharged to
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Measurement of Biological Aerosols in an Aerosol Chamber
2000A standard system for the aerosol exposure of mice with viable Francisella tularensis live vaccine strain (LVS) in an aerosol chamber was developed. The pneumatic nebulizer and the dynamic “nose only” aerosol chamber for exposure of 12 mice were used.
Aleš Macela +3 more
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Is atmospheric aerosol an aerosol?—A look at sources and variability
Faraday Discuss., 2008Countless observations of the atmospheric aerosol reveal large concentration variabilities. Such variability is not characteristic for a colloid. It must have a certain degree of stability and that is not seen in the atmospheric aerosol. The question then is open if the atmospheric aerosol is really a colloid, an aerosol.
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Subproject AEROSOL The Art of Aerosol Measurement and Modelling within AEROSOL
2001Aerosols are now recognised to play a central role in such diverse environmental problems as respiratory diseases, climate change, visibility impairment and eutrification of remote areas. Aerosols are also the sites on which heterogeneous reactions of gaseous trace constituents occur.
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Airborne transmission of SARS‐CoV‐2 via aerosols
Reviews in Medical Virology, 2021Eamon O Murchu +2 more
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