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Air MicrobiologyAerosol PropellantsNebulizers and VaporizersParticle SizeAdministration, InhalationAcid RainInhalation ExposureAtmosphereHumidityLungAir MovementsAir Pollutants, OccupationalSulfuric AcidsEnvironmental MonitoringPowdersTechnetium Tc 99m PentetateSmogAir PollutantsEquipment DesignNasal SpraysRespiratory Protective DevicesFiltrationBeclomethasoneMetered Dose InhalersAlbuterolMeteorologyVentilationTime FactorsParticulate MatterDry Powder InhalersBronchodilator AgentsAsthmaChlorofluorocarbonsOccupational ExposureDustRespiratory SystemContainment of BiohazardsCromolyn SodiumAtmosphere Exposure ChambersDioctyl Sulfosuccinic AcidWindAir Pollution, IndoorDrug Delivery SystemsGuinea PigsCoughOrganic ChemicalsGasesRespiratory TherapyAir ConditioningLaboratory InfectionThreshold Limit ValuesPentanesKryptonBiological Warfare AgentsCopying ProcessesMucociliary ClearanceMasksTechnetiumFenoterolSootDisease Models, AnimalIndustrial OilsMolecular Sequence DataChlorofluorocarbons, MethaneBronchial SpasmModels, TheoreticalBronchiIpratropiumModels, BiologicalAirAirway ResistanceManikinsSpacecraftAlgorithmsOvalbuminAdministration, IntranasalNanoparticlesPhysical PhenomenaPasteurella InfectionsTracheaTechnology, PharmaceuticalMetallurgyModels, AnatomicPhysicsMice, Inbred BALB CComputer SimulationAtropine DerivativesTemperatureCoalChemistry, PharmaceuticalBronchoalveolar Lavage FluidBronchial Provocation TestsSneezingInhalation SpacersSnowMycobacterium tuberculosisOzoneNational Institute for Occupational Safety and Health (U.S.)Hydrocarbons, FluorinatedOxocins
AtmosphericParticlesMass spectrometryComposition of aerosolsAirborne2020CloudRobotic NetworkConcentrationsVegetable oil spraysParticle sizeEmissionsAmmoniumDustTroposphericCloudsLidar observationsAnthropogenicSpraysFreshenerCharacterization2021Spray cansSmokeAtmosphereInhalantsViralRefillExtinctionExposureSubstancesConcentrationDrugsAircraftCLEANEROpticalSpeciesInvestigateDataMeasurementsObservationsBiologicalPrimaryProductChemical
Atmospheric11
  • The trace metal dissolution kinetics of three rural atmospheric aerosols in a range of natural fresh water types. (lancs.ac.uk)
  • The dissolution kinetics of Pb, Zn and Cu from three rural atmospheric aerosols were studied in a range of natural fresh waters and a synthetic analogue, employing two different experimental systems and analytical techniques (AAS and ASV). (lancs.ac.uk)
  • Lee, SS, Donner, LJ & Phillips, V 2009, ' Sensitivity of aerosol and cloud effects on radiation to cloud types: comparison between deep convective clouds and warm stratiform clouds over one-day period ', Atmospheric Chemistry and Physics , vol. 9, nr. 7, s. 2555-2575. (lu.se)
  • The North Atlantic Aerosols and Marine Ecosystems Study (NAAMES) was a five-year scientific research program that investigated aspects of phytoplankton dynamics in ocean ecosystems, and how such dynamics influence atmospheric aerosols, clouds, and climate. (wikipedia.org)
  • This dataset is from the Northern Ireland (NI) DELTA® Gas and Aerosol Monitoring Network, and consists of monthly atmospheric concentrations of inorganic, water-soluble, reactive gases and aerosols measured with the UKCEH DELTA® method at 4 sites across NI for the years 2019 to 2020. (data.gov.uk)
  • The reflectivity from short-wave infrared is employed to preserve the atmospheric effect within the fused image in the green band for further aerosol optical depth (AOD) retrieval. (spiedigitallibrary.org)
  • The AOD retrieved with fused images containing atmospheric effect could have a better performance after comparison with in situ measurements, and therefore, be suggested for high-spatial-temporal aerosol monitoring. (spiedigitallibrary.org)
  • Thus, the monitoring of air pollutants is essential to understand and eliminate the effect and threat of suspended particles (atmospheric aerosols). (spiedigitallibrary.org)
  • We show that the inclusion of latitude-dependent temperature profiles for both the morning and evening terminators of Venus helps to explain how the atmospheric aerosol distributions vary spatially. (caltech.edu)
  • The science of climate and climate change involves study of the interaction between clouds, atmospheric radiation and aerosol particles. (lu.se)
  • In a recent project, laboratory observations of a new type of fragmentation involving freezing raindrops were done, enabling its representation in atmospheric models. (lu.se)
Particles5
  • These maps depict aerosol concentrations in the air based on how the tiny particles reflect or absorb visible and infrared light. (nasa.gov)
  • In all cases, changes in the aerosol spectra were due to both the uptake of HNO 3 , HCl, NH 3 and SO 2 from the gas phase, (the SO 2 being oxidised to sulphate) and the repartitioning of species such as HNO 3 , HCl, and NH 3 from larger particles onto smaller ones. (lu.se)
  • Measurements of upwind and interstitial aerosol distributions showed that the smallest particles activated were 30 and 50 nm for clean and polluted cases respectively, slightly smaller than the model values quoted above. (lu.se)
  • From this modelling study, it can be concluded that in general, in the remote environment the exchange of hydrochloric acid, nitric acid and ammonia between aerosol particles and take up from the gas phase in the vicinity of cloud may be a very important mechanism in regulating the evolution of the aerosol spectrum. (lu.se)
  • Using a portable aerosol monitor device that analyses the concentration of suspended fine particles in air, the study measured concentrations of 2.5 micron sized particles in enclosed places. (who.int)
Mass spectrometry1
  • Aerosol mass spectrometry (AMS) was applied for real time measurements of the aerosol chemical composition and concentration throughout the measurements included in the thesis. (lu.se)
Composition of aerosols2
  • The NAAMES project also investigated the quantity, size, and composition of aerosols generated by primary production in order to understand how bloom cycles affect cloud formations and climate. (wikipedia.org)
  • Fu and his collaborators aim to look into how wildfires change the composition of aerosols from resources other than brown carbon in the future. (azocleantech.com)
Airborne3
  • Scientists employed multiple complementary research methods, including intensive field sampling via research ships, airborne aerosol sampling via airplane, and remote sensing via satellites. (wikipedia.org)
  • Airborne aerosols can cause or prevent cloud formation and harm human health. (nasa.gov)
  • Natural sources include natural airborne dust, and sea salt aerosols. (who.int)
20202
  • End-user industries where Global Aerosol Propellants are utilised saw a dip in growth from January 2020 to May 2020 in a number of countries, including China, Italy, Germany, the United Kingdom, the United States, Spain, France, and India, due to a pause in operations. (bresdel.com)
  • This resulted in a significant decrease in the revenues of businesses working in these industries and, as a result, in demand for Global Aerosol Propellants manufacturers, influencing the development of the Global Aerosol Propellants market in 2020. (bresdel.com)
Cloud14
  • However, I couldn't find an SDS layer that corresponds with the aerosol type (or cloud mask). (nasa.gov)
  • Cloud and aerosol effects on radiation in two contrasting cloud types, a deep mesoscale convective system (MCS) and warm stratocumulus clouds, are simulated and compared. (lu.se)
  • Lower cloud-top height and cloud depth, characterizing cloud types, lead to the smaller offset of SCF by LCF and the offset of increased negative SCF by increased LCF at high aerosol in stratocumulus clouds than in the MCS. (lu.se)
  • Supplementary simulations show that this dependence of modulation of LCF on cloud depth and cloud-top height is also simulated among different types of convective clouds. (lu.se)
  • The findings from NAAMES, while still forthcoming, have shed light on aerosols and cloud condensation nuclei, phytoplankton annual cycles, phytoplankton physiology, and mesoscale biology. (wikipedia.org)
  • The model incorporates gas phase chemistry of sulphur and nitrogen compounds upstream of the cloud, and the interaction of aerosol, precursor trace gases and oxidants within the cloud. (lu.se)
  • Significant modification of the aerosol spectra due to cloud processing was observed. (lu.se)
  • Further, the much more linear relationship between cloud droplet and accumulation mode aerosol number, which was observed in the measurements made during the ACE-2 HILLCLOUD project is supported by these modelling results. (lu.se)
  • By simulating observed cloud systems the role of this and other types of fragmentation in nature by numerical simulation of observed clouds were evaluated. (lu.se)
  • The four broad types of cloud to be studied are warm- and cold-based convective and stratiform clouds. (lu.se)
  • The way that cloud types organise the mechanism of ice initiation was elucidated. (lu.se)
  • Each cloud droplet and each initial ice crystal is initiated by an aerosol particle. (lu.se)
  • The cloud properties are controlled by the aerosol conditions of the environment. (lu.se)
  • Primary biological aerosol particle (PBAPs) have a distinctive role because they initiate both cloud droplets and, at remarkably warm sub-zero temperatures, ice crystals. (lu.se)
Robotic Network1
  • MPLNET is a growing worldwide network of eye-safe backscatter lidars co-located with sunphotometers in the NASA Aerosol Robotic Network (AERONET). (nasa.gov)
Concentrations2
  • Aerosol concentrations in an optical particle size range of 0.7-10 µm were determined simultaneously inside and outside the respirator during the first and last 15 min of a 60-min experiment. (cdc.gov)
  • Considering that we spend approximately 90% of our time indoors, it is important to gain increased understanding of indoor aerosol concentrations and properties. (lu.se)
Vegetable oil sprays1
  • They are often common household or commercial products such as spray paints, hair or deodorant sprays, aerosol computer cleaning products and vegetable oil sprays. (lahacienda.com)
Particle size3
  • We investigated the in vitro influence of breathing patterns on lung dose (LD) and particle size distribution in an infant upper airway cast model in order to determine the optimal particle size for nebulized aerosol delivery to infants. (nih.gov)
  • Effect of particle size on respiratory protection provided by two types of N95 respirators used in agricultural settings. (cdc.gov)
  • WPFs for both respirator types increased with increasing particle size. (cdc.gov)
Emissions6
  • From these data, we estimate each fire aerosolized an average of 7 ± 4 × 10 9 cells and 2 ± 1 × 10 8 biological INPs per m 2 burned and conclude that emissions from wildland fire are sources of viable microbial aerosols to the atmosphere. (nature.com)
  • The long history of research in this location, as well as relative ease of accessibility, made the North Atlantic an ideal location to test prevailing scientific hypotheses in an effort to better understand the role of phytoplankton aerosol emissions on Earth's energy budget. (wikipedia.org)
  • Aerosol emissions from stressed burning of five types of candles of different wax and wick compositions were studied. (lu.se)
  • We found strong variations between the candle types in emissions of PM2.5, BC, and PAHs, as well as strong variations over time, depending on the wax and wick composition. (lu.se)
  • Candle emissions from stressed burning were dominated by BC emissions, with minor contributions from inorganic and organic aerosol emissions. (lu.se)
  • The emissions of particle phase PAHs, BC, and organic aerosol showed strong correlations at the stressed burning of candles, and may be used as proxies for each other. (lu.se)
Ammonium2
  • Aerosols: ammonium (NH4+), nitrate (NO3-), sulphate (SO42-), chloride (Cl-), sodium (Na+), calcium (Ca2+), Magnesium (Mg2+) The network is operated jointly by Agri-Food and Biosciences Institute (AFBI) and the UK Centre for Ecology & Hydrology (UKCEH), and funded by the Department of Agriculture, Environment and Rural Affairs (DAERA), Northern Ireland. (data.gov.uk)
  • Here, we present observations from eleven different aircraft campaigns from around the globe and investigate how aerosol pH and ammonium balance change from polluted to remote regions, such as over the oceans. (unh.edu)
Dust2
  • In this study, we test the hypothesis that chemistry of snow, wet deposition, and aerosols can be used as a surrogate for dust deposition to snow. (usgs.gov)
  • Spatial patterns in chemistry of snow, wet deposition, and aerosols indicate that dust deposition increases from north to south in the Rocky Mountains, and temporal trends indicate that winter/spring dust deposition increased by 81% in the southern Rockies during 1993-2014. (usgs.gov)
Tropospheric1
  • Greetings Ses2271, Thank you for contacting us with an interest in CALIPSO Lidar Level 3 Tropospheric Aerosol Profile Monthly Product Version 4.20 data. (nasa.gov)
Clouds1
  • In addition to making rain and snow, clouds can have a warming or cooling influence depending on their altitude, type, and when they form. (nasa.gov)
Lidar observations3
  • We present a long-term comparison of CALIPSO and ground-based lidar observations of the aerosol conditions in the coastal environment of southern South America (Punta Arenas, Chile, 53° S), performed in December 2009-April 2010. (copernicus.org)
  • The aerosol extinction-to-backscatter ratio, S, is the key parameter required to accurately retrieve extinction and optical depth from backscatter lidar observations of aerosol layers. (nasa.gov)
  • Look-up tables of S are needed to calculate aerosol extinction and optical depth from space-based lidar observations in the absence of co-located AOD data. (nasa.gov)
Anthropogenic2
  • Sources of outdoor air pollution are of two types - natural and anthropogenic. (who.int)
  • Anthropogenic sources include two types: mobile sources (i.e. cars) and stationary sources (i.e. smoke stacks), and both make significant contributions to outdoor air pollution. (who.int)
Sprays1
  • The full line of Moose Racing aerosol sprays are now available from your local Parts Unlimted dealer. (ultimatemotorcycling.com)
Freshener2
  • This commercial air freshener refill offers 90 to 180 days of maximum odor control distributed in a fine dry mist with 63% fewer VOCs per spray than standard aerosol refills. (restockit.com)
  • For use with the Rubbermaid Commercial Microburst 9000 Aerosol Air Freshener dispenser (sold separately). (restockit.com)
Characterization2
  • In the CALIPSO data analysis, surface type (land/ocean) is used to augment the aerosol characterization. (copernicus.org)
  • The results presented in this thesis highlight the importance of detailed physicochemical characterization of indoor aerosols, and the need for a more complete evaluation of their impact on human health. (lu.se)
20211
Spray cans2
  • It is a type of painting that is done using spray cans. (eckersleys.com.au)
  • Ships via ground freight only and is shipped exclusively within the continental US, as no air shipments are permitted on aerosol spray cans. (classicindustries.com)
Smoke2
  • Microbial viability of smoke aerosols based on formazan production and epifluorescent microscopy revealed no significant difference in the viable fraction (~80%) when compared to samples of ambient air. (nature.com)
  • WHO estimated in 2016 that the annual numbers of premature deaths attributable to different types of air pollution in the Region were: 250 000 due to exposure to outdoor air pollution (mainly PM2.5), and 200 000 due to exposure to indoor air pollution caused by burning solid fuels for cooking and heating, as well as 70 000 due to exposure to secondhand tobacco smoke. (who.int)
Atmosphere2
  • The environmental sources of microbial aerosols and processes by which they are emitted into the atmosphere are not well characterized. (nature.com)
  • 28% of increased negative SCF is offset by increased LCF with increasing aerosols in the MCS at the top of the atmosphere. (lu.se)
Inhalants1
Viral2
  • These viral aerosol data for a single passenger who was in the same row and two seats were then used to create a nonlinear regression model which away from the SARS-COV-2 source, rather than in an adjacent assesses the association between the number of plaque-forming middle seat. (cdc.gov)
  • Viral aerosol samples were collected in bioaerosol liquid (10% glycerol in 1× phosphate buffered saline) such as middle seat vacancy, could provide additional reduc- impingers. (cdc.gov)
Refill4
  • Order TimeMist Automatic Aerosol Air System Refill, Mango, 6 oz. (33-2960TMCA) today at Quill.com and get fast shipping. (quill.com)
  • Replace odors with a fruity smell using this TimeMist premium metered air care aerosol mango-scented refill. (quill.com)
  • Use this premium metered air care aerosol refill to fill the room with the delightful scent of mango. (quill.com)
  • When set at 15-minute intervals, this TimeMist premium mango-scented air care aerosol refill lasts for up to 30 days, minimizing how frequently you have to replace it. (quill.com)
Extinction2
  • This might result in a systematic overestimation of the particle extinction coefficient and of the aerosol optical thickness (AOT) of up to a factor of 3.5 over land in coastal areas. (copernicus.org)
  • However, we found an unexpectedly high fraction of continental aerosol in the aerosol types inferred by means of CALIOP observations and, correspondingly, too high values of particle extinction. (copernicus.org)
Exposure2
  • SARS-CoV-2, CDC and Kansas State University (KSU) aerosol was introduced from a source location and collected modeled the relationship between SARS-CoV-2 exposure and at six different sample locations in the cabin. (cdc.gov)
  • The overall aim of the research presented in this thesis was to characterize the physicochemical properties of indoor aerosols from cookstoves, candles, and phthalate sources, and to assess their contribution to human exposure. (lu.se)
Substances1
  • Aerosols are the toxic substances-propellants-in spray-can products. (lahacienda.com)
Concentration1
  • Aircraft can hold large numbers of persons in close proximity model to estimate the reduction in aerosol concentration as for long periods, which can increase the risk for transmission distance from a source increased. (cdc.gov)
Drugs1
Aircraft1
  • During the aerosol disper- as keeping aircraft cabin middle seats vacant, are limited. (cdc.gov)
CLEANER1
  • The new lineup of Moose Racing aerosols has all of those bases covered with the new Plastic Cleaner, Degreaser, Cable Life, Silicone Spray and Regular and Heavy Duty Chain Lube. (ultimatemotorcycling.com)
Optical3
  • The bracketed list at first seemed to imply that the variable "AOD_Mean" only includes optical depth from the three types of aerosols listed. (nasa.gov)
  • When summing the three AOD_Mean_type variables I saw that the summation was less than the AOD_Mean variable, suggesting that AOD_Mean also includes optical depth from aerosol types not in the brackets. (nasa.gov)
  • 9 With the advantage of wide coverage in regional or global scales, satellite observation becomes a better choice, with higher spatial information on air quality monitoring in aerosol optical properties. (spiedigitallibrary.org)
Species2
  • The CALIPSO AOD_Mean product implies all species of aerosols, not just specific types (see below). (nasa.gov)
  • Values of S for different aerosol species and geographic regions will be presented. (nasa.gov)
Investigate1
  • The Chinese icebreaker Xue Long set out for the Arctic Ocean in 2017 to investigate how aerosols were drifting around in the clear Arctic air and to determine their sources. (azocleantech.com)
Data4
  • The link I provided below says this data product includes a layer for aerosol type. (nasa.gov)
  • Because these data were collected before the COVID-19 pan- scenarios was reduced by 23% to 57% depending upon the demic, the effects of passengers wearing masks on the aerosol modeling approach. (cdc.gov)
  • The Aerosol Container market report presents data and information on the development of the investment structure, technological improvements, market trends and developments, capabilities, and comprehensive information on the key players of the Aerosol Container market. (digitaljournal.com)
  • It also provides historical data, current market scenario and future insights on Aerosol Container market. (digitaljournal.com)
Measurements1
  • Gas phase and aerosol inputs to the model have been provided from measurements made in the field. (lu.se)
Observations2
  • Numerous studies employed remote sensing techniques on regional air quality in terms of aerosols, in particular, the observations from polar-orbiting satellites offer more detail on spatial distribution. (spiedigitallibrary.org)
  • Since the air pollutants/aerosols dramatically vary in location with time, diurnal observations on a timescale are restricted by the temporal resolution of the polar-orbiting satellite. (spiedigitallibrary.org)
Biological1
  • Do We Need to Challenge Respirator Filters With Biological Aerosols? (cdc.gov)
Primary1
Product2
  • The report begins with a brief presentation and overview of the Aerosol Container market, about the current market landscape, market trends, major market players, product type, application, and region. (digitaljournal.com)
  • This study provides a comprehensive understanding of market value with the product price, demand, gross margin, and supply of the Aerosol Container market. (digitaljournal.com)
Chemical1
  • Chemical transport models often underestimate aerosol acidity in remot" by Benjamin A. Nault, Pedro Campuzano-Jost et al. (unh.edu)