Source contributions to the size and composition distribution of urban particulate air pollution

A mechanistic air quality model has been constructed which is capable of predicting the contribution of individual emissions source types to the size- and ...

KGR Cass - 《Atmospheric Environment》

Submicrometer and Supermicrometer Particulate Emission From Spark Ignition Vehicles

Particulate emissions from 11 gasoline powered and 2 liquefied petroleum (LPG) powered passenger vehicles were characterised during the Accelerated Simulat...

Z Ristovski，L Morawska，ND Bofinger，... - 《Environmental Science & Technology》

Changes in Concentrations of Major Elements and Trace Metals in Northeastern U.S.-Canadian Sub-Alpine Forest Floors

The forest floor at high elevation spruce-fir sites from southern Vermont, U.S. to the Gasp茅 Peninsula, Qu茅bec, Canada was sampled and analyzed in 1979 a...

GORDON C. EVANS，STEPHEN A. NORTON，IVAN J. FERNANDEZ，... - 《Water Air & Soil Pollution》

Reduction of NO sub x emissions from gasoline engines

This patent describes in combination, a spark-ignition internal combustion engine, a supply of liquid fuel for the operation of the engine, and an exhaust ...

DP Hollrah，DL Lenane - US

Improving the Performance of a Small Spark-Ignition Engine by Using Oxygen-Enriched Intake Air

In order to improve the performance of a small gasoline engine, a part of oxygen is added to the intake air when the engine is operated at wide open thrott...

Yuh-Yih Wu，KD Huang

[Concentrations, sources and ecological risks of polycyclic aromatic hydrocarbons in the topsoils of Quanzhou City, China].

The concentrations of 15 US EPA priority polycyclic aromatic hydrocarbons(PAHs) in 33 soil samples(0-10 cm layer) collected from various functional zones i...

JW Lin，JZ Ni，HY Yang，... - 《Environmental Science》

Carbonaceous aerosol sampling of gasoline direct injection engine exhaust with an integrated organic gas and particle sampler

Positive and negative artifacts of particle-phase organic carbon (p-OC) and the polycyclic aromatic hydrocarbons (PAHs) in gasoline direct injection (GDI) ...

N Zimmerman，K Rais，CH Jeong，... - 《Science of the Total Environment》

Development and evaluation of an air quality modeling approach to assess near-field impacts of lead emissions from piston-engine aircraft operating on lead...

Since aviation gasoline is now the largest remaining source of lead (Pb) emissions to the air in the United States, there is increased interest by regulato...

E Carr，M Lee，K Marin，... - 《Atmospheric Environment》

Supplementary material to "Size segregated particle number and mass emissions in urban Beijing"

Although secondary participate matter is reported to be the main contributor of PM[sub 2.5] during haze in Chinese megacities, primary particle emissions a...

J Cai，B Chu，L Yao，...