Results 1 to 10 of about 101,920 (247)

Soot formation characteristics in hybrid pyrolysis of zero-carbon fuel ammonia and ethylene mixtures

open access: yesFrontiers in Energy Research, 2022
As soot particles from incomplete combustion of fossil fuels pose a great threat to human health, the development of low-carbon or zero-carbon alternative fuels is essential to mitigate climate change. An experimental and numerical study on the pyrolysis
Jiaying He   +7 more
doaj   +1 more source

Effects of the upward-increasing gradient magnetic field on soot properties in ethylene inverse diffusion flames with different oxygen concentrations

open access: yesFrontiers in Energy Research, 2022
The effects of the upward-increasing gradient magnetic field on soot properties are experimentally investigated in ethylene inverse diffusion flames with different oxygen concentrations.
Yaoyao Ying   +5 more
doaj   +1 more source

Formation and Evolution of Soot in Ethylene Inverse Diffusion Flames in Ozone Atmosphere

open access: yesNanomaterials, 2023
Ozone is a prospective additive for enhancing and controlling combustion under lean or very lean conditions, and reduces NOx and particulate matter emissions simultaneously.
Yaoyao Ying, Dong Liu
doaj   +1 more source

Contributions of primary and secondary biogenic VOC tototal OH reactivity during the CABINEX (Community Atmosphere-Biosphere INteractions Experiments)-09 field campaign [PDF]

open access: yesAtmospheric Chemistry and Physics, 2011
We present OH reactivity measurements using the comparative reactivity method with a branch enclosure technique for four different tree species (red oak, white pine, beech and red maple) in the UMBS PROPHET tower footprint during the Community Atmosphere
S. Kim   +3 more
doaj   +1 more source

Reactivities of American, Chinese and Estonian oil shale semi-cokes and Argonne premium coal chars under oxy-fuel combustion conditions; pp. 353–369 [PDF]

open access: yesOil Shale, 2019
Oil shales of various rank and origin from China, Estonia and the United States are investigated and their oxidation reactivities under simulated oxy-fuel combustion conditions, in air, and in 100% CO2 atmospheres explored. Independent of rank and origin,
Chris Culin   +6 more
doaj   +1 more source

OH reactivity in a South East Asian tropical rainforest during the Oxidant and Particle Photochemical Processes (OP3) project [PDF]

open access: yesAtmospheric Chemistry and Physics, 2013
OH (hydroxyl radical) reactivity, the inverse of the chemical lifetime of the hydroxyl radical, was measured for 12 days in April 2008 within a tropical rainforest on Borneo as part of the OP3 (Oxidant and Particle Photochemical Processes) project.
P. M. Edwards   +11 more
doaj   +1 more source

The Contribution of Proton-Donor pKa on Reactivity Profiles of [FeFe]-hydrogenases

open access: yesFrontiers in Microbiology, 2022
The [FeFe]-hydrogenases are enzymes that catalyze the reversible activation of H2 coupled to the reduction–oxidation of electron carriers. Members of the different taxonomic groups of [FeFe]-hydrogenases display a wide range of preference, or bias, for ...
Effie C. Kisgeropoulos   +3 more
doaj   +1 more source

Technical note: An inverse method to relate organic carbon reactivity to isotope composition from serial oxidation [PDF]

open access: yesBiogeosciences, 2017
Serial oxidation coupled with stable carbon and radiocarbon analysis of sequentially evolved CO2 is a promising method to characterize the relationship between organic carbon (OC) chemical composition, source, and residence time in the environment ...
J. D. Hemingway   +7 more
doaj   +1 more source

Hierarchical Auto-Ignition and Structure-Reactivity Trends of C2–C4 1-Alkenes

open access: yesEnergies, 2021
Ignition delay times of small alkenes are a valuable constraint for the refinement of the core kinetic mechanism of hydrocarbons used in representing combustion properties of real fuels. Moreover, the chemical reactivity comparison of those small alkenes
Wuchuan Sun   +3 more
doaj   +1 more source

Measurements of total hydroxyl radical reactivity during CABINEX 2009 – Part 1: field measurements [PDF]

open access: yesAtmospheric Chemistry and Physics, 2014
Total hydroxyl radical (OH) reactivity was measured at the PROPHET (Program for Research on Oxidants: PHotochemistry, Emissions, and Transport) forested field site in northern Michigan during the 2009 Community Atmosphere–Biosphere INteraction EXperiment
R. F. Hansen   +12 more
doaj   +1 more source

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