搜索结果: 1-12 共查到“大气科学 aromatic hydrocarbons”相关记录12条 . 查询时间(0.062 秒)
Seasonal Variation and Sources of Polycyclic Aromatic Hydrocarbons (PAHs) in Indoor and Outdoor Air in a Semi Arid Tract of Northern India
Indoor and outdoor air Gas/Particulate PAHs Seasonality Toxic assessment Source apportionment
2016/3/25
PAHs concentration in particulate and gas phase was investigated in indoor and outdoor air of urban residential and
roadside homes in a semiarid region of India. Samples were collected during winter ...
Kinetic double-layer model of aerosol surface chemistry and gas-particle interactions (K2-SURF): Degradation of polycyclic aromatic hydrocarbons exposed to O3, NO2, H2O, OH and NO3
Kinetic double-layer model aerosol surface chemistry gas-particle interactions K2-SURF
2009/12/31
We present a kinetic double-layer surface model (K2-SURF) that describes the degradation of polycyclic aromatic hydrocarbons (PAHs) on aerosol particles exposed to ozone, nitrogen dioxide, water vapor...
Polycyclic aromatic hydrocarbons（PAHs）in the atmospheres of two French alpine valleys: sources and temporal patterns
Polycyclic aromatic hydrocarbons PAHs French alpine valleys
2009/3/3
Alpine valleys represent some of the most important crossroads for international heavy-duty traffic in Europe, but the full impact of this traffic on air quality is not known due to a lack of data con...
Vehicle fleet emissions of black carbon, polycyclic aromatic hydrocarbons, and other pollutants measured by a mobile laboratory in Mexico City
Vehicle fleet emissions black carbon polycyclic aromatic hydrocarbons Mexico City
2009/2/19
Black carbon (BC) and polycyclic aromatic hydrocarbons (PAHs) are of concern due to their effects on climate and health. The main goal of this research is to provide the first estimate of emissions o...
Development of a detailed chemical mechanism（MCMv3.1）for the atmospheric oxidation of aromatic hydrocarbons
detailed chemical mechanism MCMv3.1 atmospheric oxidation aromatic hydrocarbons
2009/2/7
The Master Chemical Mechanism has been updated from MCMv3 to MCMv3.1 in order to take into account recent improvements in the understanding of aromatic photo-oxidation. Newly available kinetic and pro...
Sources and transformations of particle-bound polycyclic aromatic hydrocarbons in Mexico City
transformations particle-bound polycyclic aromatic hydrocarbons Mexico City
2009/1/7
Understanding sources, concentrations, and transformations of polycyclic aromatic hydrocarbons (PAHs) in the atmosphere is important because of their potent mutagenicity and carcinogenicity. The measu...
Depletion of gaseous polycyclic aromatic hydrocarbons by a forest canopy
polycyclic aromatic hydrocarbons forest canopy
2008/11/13
Rapid uptake of gaseous polycyclic aromatic hydrocarbons (PAHs) by a forest canopy was observed at Borden in Southern Ontario, Canada during bud break in early spring 2003. High volume air samples wer...
Spatial and temporal variability of particulate polycyclic aromatic hydrocarbons in Mexico City
particulate polycyclic aromatic hydrocarbons Mexico City
2008/11/11
As part of the Megacities Initiative: Local and Global Research Observations (MILAGRO) study in the Mexico City Metropolitan Area in March 2006, we measured particulate polycyclic aromatic hydrocarbon...
Global modeling of secondary organic aerosol formation from aromatic hydrocarbons: high- vs. low-yield pathways
secondary organic aerosol aromatic hydrocarbons high- vs. low-yield pathways
2008/11/6
Formation of SOA from the aromatic species toluene, xylene, and, for the first time, benzene, is added to a global chemical transport model. A simple mechanism is presented that accounts for competiti...
Real-time characterization of particle-bound polycyclic aromatic hydrocarbons in ambient aerosols and from motor-vehicle exhaust
polycyclic aromatic hydrocarbons ambient aerosol motor-vehicle exhaust
2008/10/31
A photo-electric aerosol sensor, a diffusion charger, an Aethalometer, and a continuous particle counter were used along with other real-time instruments to characterize the particle-bound polycyclic ...
Dry Deposition of Polycyclic Aromatic Hydrocarbons Associated with Atmospheric Particulate Matters in an Urban Site, Mumbai, India
PAHs Size distribution HPLC Cascade impactor Deposition velocity Dry deposition flux
2016/3/29
The rate of dry deposition of polycyclic aromatic hydrocarbons (PAHs) depends on the size of the
particulate matter on which they are adsorbed. The distribution of PAHs on size-fractionated aerosol
...
Dry Deposition of Airborne Particles and Characteristics of Polycyclic Aromatic Hydrocarbons in Urban Kaohsiung, Taiwan
PAHs Particulate matter Dry deposition Urban air quality
2016/3/30
The concentrations of twenty-one individual polycyclic aromatic hydrocarbons (PAHs) and
total suspended particles (TSP) were measured using high-volume air samplers at two sites
(Tzuo-Yin and Hsiung...