Results 11 to 20 of about 4,021,164 (355)
Study on fuel consumption and emission characteristics of China VI heavy duty vehicle based on vehicle specific power [PDF]
E3S Web of Conferences, 2021 This study selects a China VI heavy duty vehicle for PEMS test, and Based on the measurement results of vehicle specific power (VSP) parameters, the VSP calculation formula applicable to this study is proposed , And analyzes the distribution ...
Xu Dandan +5 more
doaj +1 more source
Vehicle Emissions and Urban Air Quality: 60 Years of Progress
Atmosphere, 2022 The past 60 years have seen large reductions in vehicle emissions of particulate matter (PM), nitrogen oxides (NOx), carbon monoxide (CO), hydrocarbons (HCs), sulfur dioxide (SO2), and lead (Pb).
T. Wallington +3 more
semanticscholar +1 more source
Environment International, 2022 Reducing lead (Pb) exposure via oral ingestion of contaminated soils is highly relevant for child health. Elevating dietary micronutrient iron (Fe) intake can reduce Pb oral bioavailability while being beneficial for child nutritional health.
Xin-Ying Lin +10 more
doaj +1 more source
Alcohol consumption promotes arsenic absorption but reduces tissue arsenic accumulation in mice
Eco-Environment & Health, 2023 Alcohol consumption alters gut microflora and damages intestinal tight junction barriers, which may affect arsenic (As) oral bioavailability. In this study, mice were exposed to arsenate in the diet (6 μg/g) over a 3-week period and gavaged daily with ...
Hongyu Wang +6 more
doaj +1 more source
Frontiers in Mechanical Engineering, 2022 The upcoming ultra-low-NOx (oxides of nitrogen) emissions standard and in-use NOx emissions requirement requires engine manufacturers to further reduce tailpipe NOx emissions by over 90% from the current United States Environmental Protection Agency 2010
Christian Hushion +7 more
doaj +1 more source
Non-exhaust vehicle emissions of particulate matter and VOC from road traffic: A review
, 2021 As exhaust emissions of particles and volatile organic compounds (VOC) from road vehicles have progressively come under greater control, non-exhaust emissions have become an increasing proportion of the total emissions, and in many countries now exceed ...
R. Harrison +7 more
semanticscholar +1 more source
Applied Sciences, 2022 In China, where in-use heavy-duty diesel vehicles producing NOx and particulate emissions for air pollution are required to undergo emission spot inspection at check stations, it is significant to adopt a simple method to evaluate emissions due to ...
Yan Lei +5 more
doaj +1 more source
The enhancement effect of Nb over CeSi2 catalyst for the low-temperature NH3-SCR performance
Chemical Physics Impact, 2023 Tuning the acid site on the surface of the catalyst tends towards facilitating the selective reduction of NOx by NH3 (NH3-SCR). In this study, a set of catalysts for the Nb/CeSi2 with different loadings of niobium were synthesized and evaluated in terms ...
Lipeng Ding +8 more
doaj +1 more source
A systematic review of the impact of commercial aircraft activity on air quality near airports
City and Environment Interactions, 2021 Commercial airport activity can adversely impact air quality in the vicinity of airports, and millions of people live close to major airports in the United States.
Karie Riley +3 more
doaj +1 more source
Recent progress on covalent organic framework materials as CO2 reduction electrocatalysts
Frontiers in Chemistry, 2022 CO2 emission caused by fuel combustion and human activity has caused severe climate change and other subsequent pollutions around the world. Carbon neutralization via various novel technologies to alleviate the CO2 level in the atmosphere has thus become
Yang Fan +8 more
doaj +1 more source