Results 91 to 100 of about 278,341 (297)

Internamentos por intoxicação com monóxido de carbono em Portugal.

open access: yesActa Médica Portuguesa, 2011
The prevalence of carbon monoxide intoxication in the World shows that this is a common situation. In Portugal, there are no concrete data available in literature and its incidence remains unknown.
Márcia Christel Sá   +2 more
doaj   +1 more source

The Tropospheric Lifetimes of Halocarbons and Their Reactions with OH Radicals: an Assessment Based on the Concentration of CO-14 [PDF]

open access: yes
Chemical reaction with hydroxyl radicals formed in the troposphere from ozone photolysis in the presence of methane, carbon monoxide and nitrogen oxides provides an important removal mechanism for halocarbons containing C-H and C = C double bonds.
Derwent, Richard G.   +1 more
core   +1 more source

From Carbon Nitrides to COFs: Opportunities and Prospects in Photocatalytic CO2 Reduction

open access: yesAdvanced Materials, EarlyView.
To underscore the potential of polymeric photocatalysts for CO2 photoreduction—from carbon nitrides to covalent organic frameworks—the table of contents graphic presents recent breakthroughs in the design of light‐responsive organic photocatalysts.
Wei Che   +10 more
wiley   +1 more source

From Pollution to Value: Electrochemical Systems for Transforming Flue Gas into Chemicals and Fuels

open access: yesAdvanced Materials, EarlyView.
This review presents a comprehensive overview of the strategies whereby low‐concentration CO2 in flue gas can be directly valorized to value‐added chemicals and fuels. It covers recent progress in integrated CO2 capture and conversion, including amine and bi(carbonate) reduction‐based systems.
Meng Wang   +7 more
wiley   +1 more source

Carbon Monoxide as Indoor Pollutant in Kano Metropolis

open access: yesJournal of Applied Sciences and Environmental Management, 2010
The level of carbon monoxide concentrations in three different residential areas of Kano municipality has been determined. Health effects of carbon monoxide are not only determined by its pollution level, but the time spent breathing polluted air ...
JT Ayodele, AO Adekiya, I Yakubu
doaj   +1 more source

Excitation of the CO fourth positive band system by electron impact on carbon monoxide and carbon dioxide [PDF]

open access: yes
Excitation of carbon monoxide fourth positive band system by electron impact on carbon monoxide and carbon ...
Mumma, M. J., Stone, E. J., Zipf, E. C.
core   +1 more source

Kelvin Probe Force Microscopy in Bionanotechnology: Current Advances and Future Perspectives

open access: yesAdvanced Materials, EarlyView.
Kelvin probe force microscopy (KPFM) enables the nanoscale mapping of electrostatic surface potentials. While widely applied in materials science, its use in biological systems remains emerging. This review presents recent advances in KPFM applied to biological samples and provides a critical perspective on current limitations and future directions for
Ehsan Rahimi   +4 more
wiley   +1 more source

In-situ propellant rocket engines for Mars mission ascent vehicle [PDF]

open access: yes
When comtemplating the human exploration of Mars, many scenarios using various propulsion systems have been considered. One propulsion option among them is a vehicle stage with multiple, pump fed rocket engines capable of operating on propellants ...
Roncace, Elizabeth A.
core   +1 more source

Spin and Charge Control of Topological End States in Chiral Graphene Nanoribbons on a 2D Ferromagnet

open access: yesAdvanced Materials, EarlyView.
Chiral graphene nanoribbons on a ferromagnetic gadolinium‐gold surface alloy display tunable spin and charge states at their termini. Atomic work function variations and exchange fields enabe transitions between singlet, doublet, and triplet configurations.
Leonard Edens   +8 more
wiley   +1 more source

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