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A sensitivity study on the effects of particle chemistry, asphericity and size on the mass extinction efficiency of mineral dust in the earth's atmosphere: from the near to thermal IR
particle chemistry asphericity size mineral dust the earth's atmosphere thermal IR
2011/2/25
To determine a plausible range of mass extinction efficiencies (MEE) of terrestrial atmospheric dust from the near to thermal IR, sensitivity analyses are performed over an extended range of dust micr...
CO2 and its correlation with CO at a rural site near Beijing: implications for combustion efficiency in China
CO2 CO a rural site near Beijing combustion efficiency China
2010/10/11
Although China has surpassed the United States as the world's largest carbon dioxide emitter, in situ measurements of atmospheric CO2 have been sparse in China. This paper analyzes hourly CO2 and its ...
Technical Note: Use of a beam width probe in an Aerosol Mass Spectrometer to monitor particle collection efficiency in the field
Aerosol Mass Spectrometer monitor particle collection efficiency
2008/11/28
Two Aerodyne Aerosol Mass Spectrometers (Q-AMS) were deployed in Mexico City, during the Mexico City Metropolitan Area field study (MCMA-2003) from 29 March–4 May 2003 to investigate particle concentr...
Filtering Efficiency of N95- and R95-Type Facepiece Respirators, Dust-Mist Facepiece Respirators, and Surgical Masks Operating in Unipolarly Ionized Indoor Air Environments
respirator mask ion emission fine and ultrafine aerosol
2016/3/30
The emission of unipolar air ions in the vicinity of a filtering facepiece respirator has been recently
shown to considerably enhance its respiratory protection efficiency. The effect is driven by th...