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Topic: Solid aerosol


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In the News (Thu 16 Feb 12)

  
  informationsphere.com: Aerosol
Aerosols are solid or liquid particles dispersed in the air, and include dust, soot, sea salt crystals, spores, bacteria, viruses and a plethora of other microscopic particles.
The average time spent in the atmosphere by aerosols is dependent upon their physical and chemical characteristics, and the time and location of their release.
Natural sources of aerosols are probably 4 to 5 times larger than man-made ones on a global scale, but regional variations of man-made aerosol emissions may change this ratio significantly in certain areas, particularly in the industrialised Northern Hemisphere.
www.informationsphere.com /html/228.htm   (401 words)

  
 Volcano   (Site not responding. Last check: 2007-10-24)
Eventually, magma in the chamber is forced upwards and flows out across the planet surface as lava, or the rising magma can heat water in the surrounding landform and cause explosive discharges of steam; either this or escaping gases from the magma can produce forceful ejections of rocks, cinders, volcanic glass, and/or volcanic ash.
The aerosols increase the reflection of radiation from the Sun back into space and thus cool the Earth's lower atmosphere or troposphere; however, they also absorb heat radiated up from the Earth, thereby warming the stratosphere.
Volcanic eruptions may inject an aerosol of particles and chemicals in the Earth's atmosphere.
volcano.iqnaut.net   (3495 words)

  
 Experiments on Surface Phenomena and Colloids
Unusual are also substances such as foams, aerosols, smokes and fogs, not to mention the solid emulsions and foams.
According to the dispersing phase, colloids are distingued in gaseous, liquid and solid suspensions.
Foam is a dispersion of a gas in a liquid (liquid foams) or in a solid (solid foams).
www.funsci.com /fun3_en/exper2/exper2.htm   (11152 words)

  
 Materials Science - LANL Research Library
The Journal of physics and chemistry of solids
Journal of the mechanics and physics of solids
Solid state and superconductivity abstracts via CSA Technology Research Database•
library.lanl.gov /infores/matsci.htm   (333 words)

  
 Best Environmental Resources Directories
Data, Land cover, Biotopes, nationnally designated areas, biogeographic regions, European rivers and catchments, soil erosion risk, land quality,data.
Earth observation, tropospheric air emissions, maps, SO2, NO2, ozone, aerosol, UV, Bromine monoxide (BrO), ozone column, Near-real time data, satellite images, data
Tropospheric air emissions, maps, SO2, NO2, ozone, aerosol, UV, Bromine monoxide (BrO), ozone column, Near-real time data, satellite images, data
www.ulb.ac.be /ceese/meta/cds.html   (1174 words)

  
 Smoke   (Site not responding. Last check: 2007-10-24)
We worked endlessly to bring you the very best information on Smoke
Smoke particles are actually an aerosol of solid particles or liquid droplets that are close to the ideal range of sizes for Mie scattering of visible light.
Smoke is a suspension in air of small particles resulting from incomplete Some of the Crowd!
www.bbq.resourcepage.info /Smoke.htm   (688 words)

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