Results 161 to 170 of about 298,326 (225)

Apportioning Sources of Nitrogen Oxides in California's San Joaquin Valley Using Observations From Three Airborne Field Campaigns

Journal of Geophysical Research: Atmospheres, Volume 131, Issue 20, 28 October 2026.
Abstract Emissions of nitrogen oxides (NOx = NO + NO2), a precursor to ozone and secondary aerosol formation have become increasingly important to understand as ozone production transitions to NOx limited in most regions of the US. Recent studies suggest that NOx emissions associated with agricultural activities, particularly cropland soils, are an ...
Ilana B. Pollack, Andrew Rollins, Eleanor Waxman, Quazi Z. Rasool, Rebecca H. Schwantes, Jeff Peischl, Nell B. Schafer, Kristen Zuraski, Ann M. Middlebrook, Sarah Albertin, Alison Piasecki, Matthew Coggon, Chelsea E. Stockwell, Kelvin H. Bates, Michael A. Robinson, Christopher Jernigan, Jessica Gilman, Victoria Treadaway, Morgan Selby, Emily Lill, Emily V. Fischer, J. Robert Roscioli, Katherine Ball, Anne E. Perring, Ilann Bourgeois, Joshua P. Schwarz, Brian C. McDonald, Carsten Warneke, Steven S. Brown   +28 more
wiley   +1 more source

A Practical Guide to First‐Principles Calculations for Pseudocapacitive Materials: From Electrochemical Experiments to Atomistic Understanding

ChemElectroChem, Volume 13, Issue 20, 16 October 2026.
Electrochemical experiments reveal what happens, whereas first principles calculations explain why. Emerging computational electrochemistry is bridging these perspectives, enabling quantitative understanding of electrode/electrolyte interfaces and enabling the rational design of next‐generation energy storage materials.
Kenji Oqmhula, Ryo Maezono, Kenta Hongo
wiley   +1 more source

Sulfur Dioxide Point Sources Remain Important for Daytime Plume‐Scale New Particle Formation in the United States: Case Study for Gary, Indiana During the Summer 2023 AEROMMA Aircraft Campaign

Journal of Geophysical Research: Atmospheres, Volume 131, Issue 19, 16 October 2026.
Abstract Plumes from sulfur dioxide (SO2) point sources have been shown to be significant contributors to new particle formation (NPF), but SO2 emissions in the United States (US) have decreased drastically by ∼10× since the early 2000s. We present observations of plume‐scale NPF from SO2 point sources over the industrial hub in Gary, Indiana and ...
En Li, Samuel E. O’Donnell, Adam T. Ahern, Kelvin H. Bates, Charles A. Brock, Wyndom S. Chace, Matthew M. Coggon, Emily V. Fischer, Jessica B. Gilman, Georgios I. Gkatzelis, Han N. Huynh, Emily R. Lill, Ming Lyu, Ann M. Middlebrook, Alison M. Piasecki, Jeff Peischl, Ilana B. Pollack, Andrew W. Rollins, Nell B. Schafer, Chelsea E. Stockwell, Victoria Treadaway, Carsten Warneke, Eleanor M. Waxman, Lu Xu, Kristen Zuraski, Robin G. Stevens, Shantanu H. Jathar, Jeffrey R. Pierce   +27 more
wiley   +1 more source

High‐Throughput Geocoding to Assess Short‐Term Air Pollution in Correlation With Mortality in a French Cancer Patient Cohort

International Journal of Cancer, Volume 159, Issue 8, Page 2054-2065, 15 October 2026.
Although chronic air pollution exposure is linked to lung cancer mortality, the short‐term effects of fluctuating air quality on overall cancer mortality remain uncertain. Here, the authors applied geomatics and machine‐learning models to retrospectively examine possible associations between 31‐day pollution exposure and mortality in a French cancer ...
Loice Pokam, Joséphine Bocquet, Nadia Hégarat, Julie Perlbarg‐Samson, Thomas Balezeau, Maud Milder, Bastien Rance, Hector Countouris, Julien Guerin, Flavien Gilles, Jean Gaudart, Nicolas Girard, Clémence Basse   +12 more
wiley   +1 more source

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The future of gasoline engines

2015
Both the future test cycles and more fuel-efficient transmission and electrification concepts are shifting the ICE operation towards higher engine loads. Whereas in the past, FE measures with Gasoline Engines were mainly concentrated on the reduction of throttle losses, in future the extension of the sweet spot area becomes decisive.
Günter Fraidl, P. Kapus
openaire   +1 more source

Combustion in Gasoline Engines

1990
The rate of burning in the cylinder exercises considerable influence upon the power and efficiency of the engine. Combustion should occur close to top centre and be rapid enough to utilize to the fullest possible extent the maximum compression, and yet not be so rapid as to induce strong shock waves in the gas or intolerable impact loadings on bearings
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Future of Gasoline Engines

SAE Technical Paper Series, 1972
<div class="htmlview paragraph">The present spark ignition, reciprocating piston, gasoline engine is examined against the basic requirements for an automotive powerplant. The important requirement of emission control is shown to affect these basic requirements. The emission potential of this engine and the prospect of reducing its emissions to an
Albert G. Lucas, George W. Niepoth
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Control of thermal ignition in gasoline engines

Proceedings of the 2005, American Control Conference, 2005., 2005
In this paper a model based controller is designed to regulate the crank angle of 50% fuel burned (CA50) and the air to fuel ratio (AFR) in the exhaust manifold of a gasoline engine during fuel step changes. The regulation of the combustion timing is based on manipulating the charge temperature through the internal and external dilutions which are ...
Chia-Jui Chiang, Anna G. Stefanopoulou
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Control of gasoline engines

2014
“Motronic” is the name of an engine-management system that facilitates open- and closed-loop control of gasoline engines within a single control unit. There are Motronic variants for engines with intake-manifold injection (ME Motronic) and for gasoline direct injection (DI Motronic).
openaire   +2 more sources

Run-on in Gasoline Engines

Proceedings of the Institution of Mechanical Engineers: Automobile Division, 1968
When the ignition of a car engine is switched off, the engine normally comes to rest within a few revolutions but, occasionally, it may continue to fire erratically for a few seconds or longer. This phenomenon is known as run-on and, for the majority of European engines, is the result of spontaneous ignition of the fuel-air mixture in the combustion ...
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