搜索结果: 1-15 共查到“理学 source apportionment”相关记录22条 . 查询时间(0.199 秒)
Development of PM2.5 source impact spatial fields using a hybrid source apportionment air quality model
PM2.5 source spatial fields hybrid source apportionment air quality model
2015/8/6
An integral part of air quality management is knowledge of the impact of pollutant sources on ambient concentrations of particulate matter (PM). There is also a growing desire to directly use source i...
Path-integral method for the source apportionment of photochemical pollutants
photochemical pollutants Path-integral method
2015/8/6
A new, path-integral method is presented for apportioning the concentrations of pollutants predicted by a
photochemical model to emissions from different sources. A
novel feature of the method is th...
Photochemical grid model implementation and application of VOC, NOx, and O3 source apportionment
model implementation application
2015/3/5
. For the purposes of developing optimal emissions
control strategies, efficient approaches are needed to identify the major sources or groups of sources that contribute to
elevated ozone (O3/...
Source apportionment using LOTOS-EUROS: module description and evaluation
LOTOS-EUROS module description evaluation
2014/12/12
To design effective mitigation strategies, the origin of emissions which produce air pollutants needs to be known. Contributors to air pollutants can be emission sources, like road traffic or industry...
Source apportionment of PM2.5 in Cork Harbour, Ireland using a combination of single particle mass spectrometry and quantitative semi-continuous measurements
Cork Harbour single particle mass spectrometry quantitative semi-continuous measurements
2010/10/21
An aerosol time-of-flight mass spectrometer (ATOFMS) was deployed for the measurement of the size resolved chemical composition of single particles at a site in Cork Harbour, Ireland for three weeks i...
Inter-comparison of source apportionment models for the estimation of wood burning aerosols during wintertime in an Alpine city (Grenoble, France)
source apportionment models wood burning aerosols wintertime an Alpine city
2010/8/13
The emission of organic aerosols (OA) in the ambient air by residential wood burning is nowadays a subject of great scientific concern and a growing number of studies aim at apportioning the influence...
Application of positive matrix factorization to on-road measurements for source apportionment of diesel- and gasoline-powered vehicle emissions in Mexico City
positive matrix factorization on-road measurements source apportionment diesel- and gasoline-powered vehicle emissions Mexico City
2010/8/12
The goal of this research is to quantify diesel- and gasoline-powered motor vehicle emissions within the Mexico City Metropolitan Area (MCMA) using on-road measurements captured by a mobile laboratory...
Study on the Seasonal Variation and Source Apportionment of PM10 in Harbin, China
Atmospheric particles Seasonal variation Enrichment factor Source apportionmen
2016/3/29
The atmospheric respirable particulate matter (PM10) from four typical districts of Harbin was collected in four seasons.
By analyzing the samples, we got the spatial distribution and seasonal variat...
Seasonal Variation and Source Apportionment of Atmospheric Carbonyl Compounds in Urban Kaohsiung, Taiwan
Carbonyl compounds Seasonal variation Receptor model PCA APCS
2016/3/29
The concentrations of 18 atmospheric carbonyls species were measured at Nan-Chie and Hsiung-Kong sites in
Kaohsiung City, Taiwan, during the summer and winter of 2006. Formaldehyde and acetaldehyde w...
Source apportionment of fine organic aerosols in Beijing
Source apportionment fine organic aerosols Beijing
2009/11/19
Fine particles (PM2.5, i.e., particles with an aerodynamic diameter of ≤2.5 μm) were collected from the air in August 2005, August–September 2006, and January–February 2007, in Beijing, China. The che...
Mexico City aerosol analysis during MILAGRO using high resolution aerosol mass spectrometry at the urban supersite (T0) – Part 1: Fine particle composition and organic source apportionment
Mexico City aerosol mass spectrometry Fine particle composition organic source apportionment
2009/9/14
Submicron aerosol was analyzed during the MILAGRO field campaign in March 2006 at the T0 urban supersite in Mexico City with a High-Resolution Time-of-Flight Aerosol Mass Spectrometer (HR-ToF-AMS) and...
Source apportionment of elevated wintertime PAHs by compound-specific radiocarbon analysis
elevated wintertime PAHs compound-specific radiocarbon
2009/6/2
Natural abundance radiocarbon analysis facilitates distinct source apportionment between contemporary biomass/biofuel (14C "alive") versus fossil fuel (14C "dead") combustion. Here, the first compound...
Source Apportionment of Atmospheric Dust Fallout in an Urban-Industrial Environment in India
Source apportionment Dusts fallout Chemical mass balance Urban areas
2016/3/29
The components and quantities of atmospheric dusts fallout has been reported to be the pollution indicator of large urban areas. The
multiplicity and complexity of sources of atmospheric dusts in urb...
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...
Aerosol composition and source apportionment in the Mexico City Metropolitan Area with PIXE/PESA/STIM and multivariate analysis
source apportionment Mexico City Metropolitan Area PIXE/PESA/STIM multivariate analysis
2009/1/15
Aerosols play an important role in the atmosphere but are poorly characterized, particularly in urban areas like the Mexico City Metropolitan Area (MCMA). The chemical composition of urban particles m...