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The Mechanics of Inhaled Pharmaceutical Aerosols: An Introduction, Second Edition provides a concise, but thorough exposition of fundamental concepts in the field of pharmaceutical aerosols. This revised edition will allow researchers in the field to gain a thorough understanding of the field from first principles, allowing them to understand, design, develop and improve inhaled pharmaceutical aerosol devices and therapies. Chapters consider mechanics and deposition, specifically in the respiratory tract, while others discuss the mechanics associated with the three existing types of pharmaceutical inhalation devices. This text will be very useful for academics and for courses taught at both undergraduate and graduate levels. Because of the interdisciplinary nature of this book, it will also serve a wide audience that includes engineers and scientists involved with inhaled aerosol therapies.

Aerosols. --- Aerosol therapy.

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Aerosols --- Drug Delivery Systems --- Administration, Inhalation --- Lung --- therapeutic use --- drug effects --- physiology --- Aerosol therapy. --- Aérosolthérapie --- Aerosols - therapeutic use --- Lung - drug effects --- Lung - physiology --- Aérosolthérapie

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This eBook is a collection of articles from a Frontiers Research Topic. Frontiers Research Topics are very popular trademarks of the Frontiers Journals Series: they are collections of at least ten articles, all centered on a particular subject. With their unique mix of varied contributions from Original Research to Review Articles, Frontiers Research Topics unify the most influential researchers, the latest key findings and historical advances in a hot research area! Find out more on how to host your own Frontiers Research Topic or contribute to one as an author by contacting the Frontiers Editorial Office: frontiersin.org/about/contact

Science: general issues --- Physical geography & topography --- Paroxysmal explosive activity --- Eruption dynamics and parameters --- Volcano deformation and strain --- Volcano degassing --- thermal remote sensing --- doppler radar --- Lava fountains --- Volcanic aerosol --- satellite remote sensing --- HAZARD ASSESSMENT --- Paroxysmal explosive activity --- Eruption dynamics and parameters --- Volcano deformation and strain --- Volcano degassing --- thermal remote sensing --- doppler radar --- Lava fountains --- Volcanic aerosol --- satellite remote sensing --- HAZARD ASSESSMENT

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Volcanoes release plumes of gas and ash to the atmosphere during episodes of passive and explosive behavior. These ejecta have important implications for the chemistry and composition of the troposphere and stratosphere, with the capacity to alter Earth's radiation budget and climate system over a range of temporal and spatial scales. Volcanogenic sulphur dioxide reacts to form sulphate aerosols, which increase global albedo, e.g., by reducing surface temperatures, in addition to perturbing the formation processes and optical properties of clouds. Released halogen species can also deplete stratospheric and tropospheric ozone. Volcanic degassing, furthermore, played a key role in the formation of Earth’s atmosphere, and volcanic plumes can affect air quality, pose hazards to aviation and human health, as well as damage ecosystems. The chemical compositions and emission rates of volcanic plumes are also monitored via a range of direct-sampling and remote-sensing instrumentation, in order to gain insights into subterranean processes, in the respect of the magmatic bodies these volatiles exsolve from. Given the significant role these gases play in driving volcanic activity, e.g., via pressurisation, the study of volcanic plumes is proving to be an increasingly fruitful means of improving our understanding of volcanic systems, potentially in concert with observations from geophysics and contributions from fluid dynamical modelling of conduit dynamics.

radioactive disequilibria 210Pb-210Bi-210Po --- volcanic geochemistry --- radiative transfer --- spherical-cap bubble --- plume --- satellite remote sensing --- portable photometry --- puffing --- Holuhraun --- interdisciplinary volcanology --- gas slug --- atmospheric remote sensing --- analysis software --- gases --- image processing --- remote sensing --- SEVIRI data --- oxygen and sulfur multi-isotopes --- nonlinear spectral unmixing --- UV cameras --- ultraviolet cameras --- cloud height --- atmospheric chemistry --- Python 2.7 --- degassing processes --- volcanic plumes --- fissure eruption --- radiative forcing --- basaltic volcanism --- volcanic plume top height --- O3 --- eruption start and duration --- Differential Absorption Lidar (DIAL) --- volcanic emissions --- volcanology --- volcanic CO2 flux --- volcanic aerosols --- 2011-2015 Etna lava fountains --- SO2 --- reactive halogen --- nonlinear PCA --- gas --- Etna volcano --- geochemical modelling --- BrO --- volcanic sulfate aerosols --- volcanic gases --- SSA --- hyperspectral remote sensing --- time averaged discharge rate --- eruption monitoring --- Bárðarbunga --- strombolian --- aerosol optical properties --- Mount Etna --- Taylor bubble --- radioactive disequilibria 210Pb-210Bi-210Po --- volcanic geochemistry --- radiative transfer --- spherical-cap bubble --- plume --- satellite remote sensing --- portable photometry --- puffing --- Holuhraun --- interdisciplinary volcanology --- gas slug --- atmospheric remote sensing --- analysis software --- gases --- image processing --- remote sensing --- SEVIRI data --- oxygen and sulfur multi-isotopes --- nonlinear spectral unmixing --- UV cameras --- ultraviolet cameras --- cloud height --- atmospheric chemistry --- Python 2.7 --- degassing processes --- volcanic plumes --- fissure eruption --- radiative forcing --- basaltic volcanism --- volcanic plume top height --- O3 --- eruption start and duration --- Differential Absorption Lidar (DIAL) --- volcanic emissions --- volcanology --- volcanic CO2 flux --- volcanic aerosols --- 2011-2015 Etna lava fountains --- SO2 --- reactive halogen --- nonlinear PCA --- gas --- Etna volcano --- geochemical modelling --- BrO --- volcanic sulfate aerosols --- volcanic gases --- SSA --- hyperspectral remote sensing --- time averaged discharge rate --- eruption monitoring --- Bárðarbunga --- strombolian --- aerosol optical properties --- Mount Etna --- Taylor bubble

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Accurate solar radiation knowledge and its characterization on the Earth’s surface are of high interest in many aspects of environmental and engineering sciences. Modeling of solar irradiance from satellite imagery has become the most widely used method for retrieving solar irradiance information under total sky conditions, particularly in the solar energy community. Solar radiation modeling, forecasting, and characterization continue to be broad areas of study, research, and development in the scientific community. This Special Issue contains a small sample of the current activities in this field. Both the environmental and climatology community, as the solar energy world, share a great interest in improving modeling tools and capabilities for obtaining more reliable and accurate knowledge of solar irradiance components worldwide. The work presented in this Special Issue also remarks on the significant role that remote sensing technologies play in retrieving and forecasting solar radiation information.

PAR --- motion vector field --- radiative transfer --- global horizontal irradiance --- evapotranspiration --- HRV --- Kato bands --- understory light condition --- California Delta --- validation --- aerosol impact --- remote sensing --- solar radiation --- nowcasting --- India --- cloud categories --- Clouds and the Earth Radiant Energy System (CERES) --- brightness temperature --- Himawari-8/Advanced Meteorological Imager (Himawari-8/AHI) --- water vapor --- clear sky index --- water resource management --- broadband albedo at the top of the atmosphere (TOA albedo) --- data fusion --- solar energy --- shortwave radiation --- AMESIS --- satellite-derived dataset --- insolation --- solar variability --- subcanopy light regime --- clustering analysis --- solar energy systems --- forest canopy --- radiance --- MSG --- GOES satellites --- radiation model --- solar radiation trends --- clear sky --- downward shortwave radiation --- reflected shortwave radiation at the top of the atmosphere (RSR) --- SEVIRI --- photosynthetically active radiation --- surface solar radiation --- solar irradiance --- earth observation --- high turbidity --- Geostationary Korea Multi-Purse Satellite/Advanced Meteorological Imager (GK-2A/AMI) --- Solis scheme --- solar radiation forecasting --- surface energy balance --- light attenuation