搜索结果: 1-15 共查到“submicron”相关记录19条 . 查询时间(0.093 秒)
Local Air Pollution versus Short–range Transported Dust Episodes: A Comparative Study for Submicron Particle Number Concentration
Urban Suburban Back-trajectory Dispersion Daily-pattern
2016/3/28
We measured the submicron particle number concentrations in the urban/suburban atmosphere of Amman–Jordan
during the spring of 2009. The main objective was to distinguish the differences in the submi...
Characteristics of Submicron-sized Aerosol Filtration and Pressure Drop of an Electret Filter Installed in an Air Diffuser in a Residential Apartment Unit
Electret filter Filtration Pressure drop
2016/3/28
We investigated submicron-sized aerosol filtration and the pressure drop of an electret filter called a “Flimmer filter.”
The fibers of the filter are aligned parallel to the direction of the airflow...
Filtration of Submicron Aerosol Particles Using a Carbon Fiber Ionizer-assisted Electret Filter
Air ion Carbon fiber ionizer Collection efficiency Electret filter Submicron particle
2016/3/28
The effects of a carbon fiber ionizer on the collection efficiency of an electret filter for residential house ventilation were
investigated with varying the face velocity, the number of ionizers, an...
Highly time-resolved chemical characterization of atmospheric submicron particles during 2008 Beijing Olympic Games using an Aerodyne High-Resolution Aerosol Mass Spectrometer
chemical characterization atmospheric submicron particles 2008 Beijing Olympic Games an Aerodyne High-Resolution Aerosol Mass Spectrometer
2010/10/11
As part of Campaigns of Air Quality Research in Beijing and Surrounding Region-2008 (CAREBeijing-2008), an Aerodyne High-Resolution Time-of-Flight Aerosol Mass Spectrometer (HR-ToF-AMS) was deployed i...
Aerosols in the tropical and subtropical UT/LS: in-situ measurements of submicron particle abundance and volatility
Aerosols the tropical and subtropical UT/LS submicron particle abundance and volatility
2010/8/13
Processes occurring in the tropical upper troposphere (UT), the Tropical Transition Layer (TTL), and the lower stratosphere (LS) are of importance for the global climate, for stratospheric dynamics an...
Chemical Characterization and Source Apportionment of Submicron (PM1) Aerosol in Kanpur Region, India
PM1 Source apportionment PCA UNMIX Anions Elements
2016/3/29
PM1 (particles having aerodynamic diameter < 1.0 μm) concentrations were measured at a sampling site inside the Indian
Institute of Technology (IIT) Kanpur campus for 11 months from July, 2008–May, 2...
Oxygenated organic functional groups and their sources in single and submicron organic particles in MILAGRO 2006 campaign
Oxygenated organic functional groups submicron organic particles MILAGRO 2006 campaign
2009/9/23
Fourier Transform Infrared (FTIR) and X-ray Fluorescence (XRF) were used to measure organic functional groups and elements of submicron particles collected during MILAGRO in March 2006 on three platfo...
Organic composition of single and submicron particles in different regions of western North America and the eastern Pacific during INTEX-B 2006
single and submicron particles western North America eastern Pacific INTEX-B 2006
2009/8/7
Single particles were collected from an aircraft platform as part of the Intercontinental Chemical Transport Experiment – Phase B (INTEX-B) conducted over the eastern Pacific and western North America...
Chemical Characteristics of Submicron Particles in Winter in Xi’an
PM1 Water-soluble ions Carbonaceous aerosol
2016/3/29
Daily submicron aerosol samples (PM1, particles less than 1 μm in diameter) were collected
continuously from Dec. 1 to Dec. 31, 2006 and the concentrations of 11 water-soluble ions (Na+, NH4
+,
K+,...
Analysis of Diurnal and Seasonal Variation of Submicron Outdoor Aerosol Mass and Size Distribution in a Northern Indian City and Its Correlation to Black Carbon
Submicron aerosol SMPS Black carbon Kanpur Outdoor monitoring
2016/3/29
The seasonal and diurnal behavior of atmospheric submicron aerosol was studied in the northern Indian city of Kanpur in the Indo
Gangetic Plain during July 2006–May 2007. The size distribution and ma...
Source Apportionment of Winter Submicron Prague Aerosols from Combined Particle Number Size Distribution and Gaseous Composition Data
Receptor modeling Particle size distribution Positive Matrix Factorization Prague
2016/3/25
Combined particle number size distributions and readily available gaseous concentration data were
used to identify winter particle sources in the urban atmosphere of Prague, the capital of Czech
Rep...
Reactive uptake coefficients for heterogeneous reaction of N2O5 with submicron aerosols of NaCl and natural sea salt
Reactive uptake coefficients N2O5 submicron aerosols NaCl natural sea salt
2009/3/4
The kinetics of uptake of gaseous N2O5 on submicron aerosols containing NaCl and natural sea salt have been investigated in a flow reactor as a function of relative humidity (RH) in the range 30-80% a...
Aerosol and NOx emission factors and submicron particle number size distributions in two road tunnels with different traffic regimes
NOx emission factors submicron particle size distributions different traffic regimes
2009/1/9
Measurements of aerosol particle number size distributions (18–700 nm), mass concentrations (PM2.5 and PM10) and NOx were performed in the Plabutsch tunnel, Austria, and in the Kingsway tunnel, Unite...
Light induced conversion of nitrogen dioxide into nitrous acid on submicron humic acid aerosol
nitrogen dioxide nitrous acid submicron humic acid aerosol
2008/12/17
The interactions of aerosols consisting of humic acids with gaseous nitrogen dioxide (NO2) were investigated under different light conditions in aerosol flow tube experiments at ambient pressure and t...
Source apportionment of submicron organic aerosols at an urban site by factor analytical modelling of aerosol mass spectra
submicron organic aerosols aerosol mass spectra
2008/12/4
Submicron ambient aerosol was characterized in summer 2005 at an urban background site in Zurich, Switzerland, during a three-week measurement campaign. Highly time-resolved samples of non-refractory ...